Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Part no. 7610011-1
BMW Mini Cooper S R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 2 Keys 7610011 Manual
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Mini One D R56 LCI R60 90HP N47N Engine ECU Kit DDE 8517727 CAS3 Key Manual
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BMW 1 Series E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9224599
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Mini Cooper 3 R50 R52 R53 W10 1.6 Petrol Engine Starter Motor Lucas 7570488
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Mercedes CL C215 W220 Sam Control Module Fuse Box Unit A0345459432
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BMW Z4 E86 Coupe 3.0si N52 265HP ECU Kit DME 7571510 EWS + Key Manual
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Mercedes W177 Electrical Wiring Harness Starter & 3-Phase Alternator A1775406500
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Mercedes W118 W177 W206 W247 Air Quality NOX Sensor A0009054807
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Audi S3 8P Control Unit PDC Parking Sensor Module 8P0919475G
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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283F
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Alternator Ford Transit MK7 Diesel 2.2 Tdci Bosch CC1T-10300-CC
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BMW F10 F11 On Board Display Central Information Screen Monitor 10" 9243897
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Audi A4 B8 A5 8T A6 C7 Starter Motor Actuator Bosch Diesel Engine 03L911021G
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Antenna Wiring Mercedes W211 Rear End Antenna Wiring Harnes A2114409906
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BMW 4 Series F32 F32N LCI Cable Loom Door Driver's Side Wiring Harness 9337200
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Mercedes-Benz S W220 Seat Memory Control Unit Module Front Right A2208203285
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BMW Z4 E85 Airbag Module Sensor B-pillar Left N/S Control Unit Air Bag 6948087
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BMW F30 Hybrid 330e B48X Positive Battery Lead Cable Starter Unit Wiring 9387151
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BMW X1 E84 Radio Stereo CD Player Navigation Nav Head Unit 9283247
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Mercedes W205 W213 Engine Alternator Generator M264 Petrol A0009067703
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715451001
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Starter Motor Audi S8 D3 4E VW Touareg Starter Motor Bosch 1.7KW 07C911023H
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Pedestrian Protection Mini F55 F56 F57 Tube Impact Crash Sensor Module 5A2A040
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AUDI Q7 4L Quattro 3.0 TDI BUS Diagnostic Gateway Interface Module 4F0907468R
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Alternator Generator Mercedes W211 W220 R230 M112 Bosch 150A A0121541302
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Peugeot Expert Citroen Berlingo Diesel Engine Alternator Generator 5705AS
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Audi A4 B9 2.0 TFSI CVKB Petrol Engine Starter Motor 06L911021A
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BMW 1 Series E87 Body Control Module ECU L2 PL2RR JBBFE Junction Box 9227179
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Part no. 7627520-1
Mini R55 R56 LCI R60 One N16 1.6 98HP Engine ECU Kit DME 7627520 CAS3 + Key
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Part no. 7605478-1
BMW Z4 F20 F30 E89 Petrol Alternator Generator 170A 7605478
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Mercedes W168 Battery Support Holder Front Mount Bracket A1686100336
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Mercedes W639 W906 Battery Terminal Fuse Box Control Unit Module A6385454440
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BMW 4 Series F83 M4 Wiring Loom Cable Seat Passenger's Side Left N/S 9339314
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BMW X5 E70 X6 E71 Body Control Unit Module Junction Box ECU 9247465
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Opel Combo Corsa Display Screen Dashboard Multifunction Monitor Unit 009164455
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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7797216
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VW Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Left N/S 1K0971121CN
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BMW X3 X5 E53 E83 Front Seat Adjustment Actuator Drive CRH 1-1968-01
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BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 6823594
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Skoda Octavia 5E Front Door Control Module Unit Driver's Side 5Q4959393B
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Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3456587
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Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962
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BMW 1 5 7 Series F20 F21 LCI G11 G30 G31 Diesel Starter Motor Engine 8588898
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Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801
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BMW F34 GT Mini F55 F56 F60 Radio Remote Control Unit Receiver 434 MHZ 7928646
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BMW 3 5 X5 Series E39 E46 E53 6-disc CD Changer Without Magazine 6908949
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Steering Wheel Angle Mercedes C216 W221 Sensor Control Unit Module A2219004003
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Mini One R56 N12 1.4 95HP Petrol ECU Control Unit Kit DME 7589971 + CAS3 + Keys
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Audi A4 B7 Body Comfort Control Body Power Supply Module Unit BCM ECU 8E0907279J
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BMW 1 3 Series E87 LCI E90 E91 N47 DDE 7811701 Engine Control Unit Diesel ECU
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Renault Trafic Vauxhall Vivaro Relay 4-Pin Blue Unit 252301716R
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BMW F20 F21 F22 F30 F31 F32 F33 F80 M3 Body Control Unit Module REM V5 9298962
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Radio Head Unit Mercedes C207 W207 COMAND Navi CD Player Navigation A2129009004
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BMW X3 X5 E53 E83 M57N2 Alternator Generator Diesel Power 150A 7797661
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Mini Cooper F55 F56 F60 Windscreen Rain Light Solar Sensor Control Unit 9877611
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Mercedes C219 CLS320 CDI OM642.920 Engine Module ECU Kit A6421509078 Automatic
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Audi A4 B9 2.0 TDI DETA Engine Starter Motor Actuator Starter 04L911024A
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BMW F06 Footwell Light Module Control Unit ECU FRM3 6992947
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Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key Lock
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Parking Ultrasonic Sensor Mini R50 R52 R53 PDC Unit Sensor Rear Pure Silver 900
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BMW E65 Passenger Seat Air Module Sensor Control Unit SRS 6960218
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Mercedes W221 Front Door Control Module Unit Left N/S ECU A2218706586
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Mercedes W212 Becker Navigation Map Pilot Control Unit Module A1669008808
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Audi A4 B7 2.0 TDI Battery Cable Wiring Harness 8EO971824E
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Chrysler Grand Voyager Diesel Engine 2.8 CRD Starter Motor 04801516AA
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BMW F20 F21 F22 Telematics Bluetooth Control Module Unit TCB ECE GPS 9389658
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Chrysler Grand Voyager 2.8 CRD ENR Engine Water Inlet Hose Tube Line 5066883AB
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Part no. 4H0907063BN
Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
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Part no. A0034464110-1
Module Mercedes SLK R171 Automatic Transmission Control Module A0005457916
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Part no. 7600020-9
BMW Mini Cooper 9 R55 R56 R57 N12 1.6 ECU Kit DME CAS 3 Key 7600020
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BMW E93 LCI Footwell Light Control Unit Module Lear FRM3R PL2 9230450
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Part no. 9263948
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9263948
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VW Volkswagen Polo 5 1.2 TDI Engine Wiring Harness Loom Cable 03P971612
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Alternator Generator Mercedes W176 W246 Diesel Engine Bosch 175A A0009063822
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BMW X3 F25 30dX Diesel N57N 258HP Engine Module ECU DDE 8577839 Automatic
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BMW E93 LCI Convertible Light Module Footwell Module PL2 FRM3R Lear 9308366
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Volkswagen Touareg Yaw ESP Rate Sensor Module Unit Control ECU 7H0907652
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BMW F20 F30 F32 F33 F34 B38 B48 Petrol Engine Alternator Generator 180A 8645325
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Mercedes W204 C207 Rain Sensor Light Control Unit Front Windscreen A2078203426
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Audi A1 8X Battery Terminal Fuse Socket Retainer 6C0915343A
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Audi A5 8T BCM Body Comfort Convenience Module Unit ECU 8K0907289C
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Air Module ECU Mini F54 F55 F56 F57 F60 Crash Control Unit Module 9484304
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Speaker Amplifier Audi A4 B8 A5 8T Stereo Radio Sound System Amp 8R0035223G
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Microphone Mercedes W447 W907 W910 Hands-free Interior Mic Unit A4478200035
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BMW 1 Series E81 E82 Driver Side Offside O/S Door Wiring Loom Harness 9118101
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Battery Starter Wiring Mercedes W176 W246 Harness Cable Positive A2465407932
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BMW 3 E46 N42 316i 318i Petrol Engine Alternator Generator 110A Valeo 7521382
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Mercedes-Benz A-Class W168 Fuse Box Unit Holder Bracket Frame A1685453340
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Vauxhall Corsa D 1.3 CDTI Engine Starter Motor 55217672
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BMW 3 Series E46 320d Diesel M47N 150HP ECU Kit DDE 7794582 + EWS3 + Key Manual
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Part no. 9810061
Mini Paceman R61 Cable Door Rear Left Right N/O/S Wiring Harness 9810061
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Audi A4 B7 2.0 TFSI BGB Quattro 200HP Engine ECU Kit Ignition 8E0910115H + Keys
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Mini Cooper R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3456857
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Part no. A2049003609-1
Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049003609
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Starter Motor AUDI Q7 4L VW Touareg MK2 3.0 TDI Diesel Starter 059911024K
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Part no. 8W0907064EB
Audi A4 B9 2.0 TFSI DEMA BCM Body Control Module Unit ECU 8W0907064EB
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Audi TT 8J Parking Distance Sensor Control Unit Module Rear 8P0919475F
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Audi A1 8X Negative Battery Terminal Earth Cable Lead 6C0915181B
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Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .